package ran.redis.config;

import com.alibaba.fastjson2.JSON;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;

import java.nio.charset.Charset;

public class JsonRedisSerializer<T> implements RedisSerializer<T> {
 public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
 private Class<T> clazz;

 public JsonRedisSerializer(Class<T> clazz) {
  super();
  this.clazz = clazz;
 }

 @Override
 public byte[] serialize(T t) throws SerializationException {
  if (t == null) {
   return new byte[0];
  }
  return JSON.toJSONString(t).getBytes(DEFAULT_CHARSET);
 }

 @Override
 public T deserialize(byte[] bytes) throws SerializationException {
  if (bytes == null || bytes.length <= 0) {
   return null;
  }
  String str = new String(bytes, DEFAULT_CHARSET);
  return JSON.parseObject(str, clazz);
 }
}